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HM91 Micro Pressure Sensor and Transducer

Description

For purpose of measured flow field, position of installation and placement or dynamic frequency response, it must strictly be required for microminiaturization of the sensor’s dimensions as well as re-occurrence of laws of change for pulse flow field under conditions without disturbance to the situation of the flow field when measuring pressure at the original location. HM91 micro – and super – thin pressure sensor and transducer is just designed for the above – mentioned requirements of conditions. This series of product adopts German HELM pressure sensor silicon – based silicon technology and high – accuracy integrated piezoresistive force – sensitive elements, using internationally state – of – the – art microminiaturized encapsulation to make it small dimensions, compact structure, light weight, solid and durable, and feature good dynamic and static characteristics.

Features of Product

押庄龙虎☆ Small dimensions, high – frequency dynamic response

☆ High accuracy, up to 0.1% FS

☆ Good long – term stability, resistant to all kinds of worse condition

☆ Wide range of temperature, from -40℃ to +120℃ (up to +175℃ specially)

☆ A dynamic pressure sensor and a micro pressure sensor may have a minimum diameter of 2。54mm and a length of 3。77mm。☆ Using solid-state piezoresistive pressure sensor, with high reliability and high accuracy。

☆ Wide scale of measurement,  any scale from  -100KPa ~ 0 ~ 10KPa … 20KPa … 6MPa … 40MPa … to 60MPa

☆ It is widely used for aerodynamics research, aircraft and engine test, wind tunnel test, hydromechanics, and hydraulic test, model shrinkage test, hydraulic turbine, submersible weapon test, bio – medical application, chemical explosion or nuclear explosive impact wave etc.

Application of Product

押庄龙虎☆  May specially be customized according to the customer’s requirements 

☆  High intrinsic frequency: 20KHz ~ 1。6MHz

☆  Good medium compatibility, may be used for all kinds of corrosive medium


Details

 

Technical Data 

 

HM91 Micro    Pressure Sensor and Transducer

Measuring range

-100KPa ~ 0 ~ 10KPa … 20KPa … 6MPa … 40MPa … 60MPa

押庄龙虎Overloading capacity

Two times of FS pressure

Pressure type

Gauge pressure or absolute pressure

Medium to be measured

The gas or liquid compatible with 316 stainless steel

Overall accuracy
           (Non-linear, repeatability, lagging)

0。1% FS

0。25% FS

0.4% FS

押庄龙虎Long-term stability

Typical: ± 0.1% FS / year

Maximum: ± 0.2% FS / year

押庄龙虎Operating temperature

-40℃ ~ 85℃    (generally)

-10℃ ~ 120℃    (Specially)

Zero point temperature drifting

押庄龙虎Typical: ± 0。02% FS  / ℃

Maximum: ± 0.05% FS / ℃

Sensitivity temperature drifting

Typical: ± 0。02% FS  / ℃

Maximum: ± 0.05% FS /  ℃

Range of power supplying

12 ~ 36V DC (24V DC generally)

 ± 15V DC standard power supply

Signal output

4  ~ 20mA / 1    ~ 5V DC / 0 ~ 5V DC

Intrinsic frequency

20KHz ~ 1。6MHz

Load resistance

≤ (U-12) / 0。02Ω

Insulation resistance

≥ 1000MΩ at the time    of 100V DC

Enclosure protective degree

押庄龙虎Cable type (IP 67);    Tie – in type IP 65

Linear vibration

10 ~ 2000Hz sine wave,    ≤ 100g

Resolution

Infinite small    (theoretical) 1 / 100000 (general)  

Port and enclosure

Stainless steel    1Cr18Ni9Ti

Product selection

HM91

Micro  Pressure Sensor and    Transducer

 

Guideline of Selection

 

Code

Type of pressure

 

G

Gauge pressure ( may not be indicated),

 

A

Absolute pressure

 

 

Range

(0 ~ X KPa or MPa) Measuring Range

 

 

 

Code

Band width of transducer

 

 

 

H1

0 ~ 1KHz ~ 3KHz

 

 

 

H2

0 ~ 20KHz

 

 

 

H3

0 ~ 200KHz

 

 

 

 

 

Code

Overall accuracy (linear + repeatability + lagging)

 

 

 

 

 

1

 ± 0.4% FS

 

 

 

 

 

2

 ± 0。25% FS

 

 

 

 

 

3

 ± 0.1% FS

 

 

 

 

 

 

 

Code

Signal Output

 

 

 

 

 

 

 

A1

4 ~ 20mA

 

 

 

 

 

 

 

V1

1 ~ 5V DC

 

 

 

 

 

 

 

V2

0 ~ 5V DC

 

 

 

 

 

 

 

V0

mV output

 

 

 

 

 

 

 

 

 

Code 

Additional functions

 

 

 

 

 

 

 

 

 

F1

M8 external thread

 

 

 

 

 

 

 

 

 

F2

M5 external thread

 

 

 

 

 

 

 

 

 

F3

φ5

 

 

 

 

 

 

 

 

 

F4

M12 external thread

 

 

 

 

 

 

 

 

 

F0

Special

 

 

 

 

 

 

 

 

 

W1

φ3.5 4-conductor shielded

 

 

 

 

 

 

 

 

 

W2

4-conductor ribbon wire

 

 

 

 

 

 

 

 

 

W0

Special

 

 

 

 

 

 

 

 

 

 

 

 

HM91    ( 0 ~ 500KPa)

 — H1

— 1

— V2

— F1

押庄龙虎— W1 Micro Pressure Sensor and Transducer 

Tips of Selection

  1. The frequency output of the product may be optional three items (H1, H2, and H3). The user may determine the most suitable range of frequency output to selection of product more economical according to industrial and mining requirements.
  2. Correctly adopt sealing way to prevent the stability of the product from influencing by the installing stress when installing the flushed membrane product on site.
  3. The code E, an additional functional code for selection, and intrinsically safe explosion-proof Ex ia II CT5 must be power supplied via safety barrier.
  4. Please contact us in case of the other special requirements and clearly indicate them when placing an order.


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